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11 Free Hacking Books [PDF]

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Hacking Books

Looking for hacking books? We've gathered free hacking books in PDF covering ethical hacking, penetration testing, network security, digital forensics, and Python for hackers.

These books teach you how real-world security works. From testing system vulnerabilities to understanding how hackers think, these PDFs cover the skills every cybersecurity professional needs.

Browse by topic or scroll through the full list. Every book is free to read online or download as PDF.

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Ethical Hacking Books

Ethical Hacking Books

Ethical hacking means testing systems for vulnerabilities with permission. This book covers legal frameworks, bug bounties, and responsible disclosure.

  • #1

    Ethical Hacking

    Ethical Hacking

    Explores ethical hacking through real-world case studies, covering legal frameworks, bug bounties, and responsible disclosure. Published under Creative Commons by University of Ottawa Press.

    Alana Maurushat

    Format: PDF 370 pages 4.31 MB
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Penetration Testing Books

Penetration Testing Books

Penetration testing puts theory into practice. These guides walk you through real testing methods, from reconnaissance and scanning to exploitation using tools like Kali Linux and Metasploit.

Network Security and Hacking Books

Network Security and Hacking Books

Networks are the most common attack surface. These hacking books cover web application testing, TCP/IP exploits, and Kali Linux tools for finding weaknesses in network infrastructure.

  • #1

    OWASP Web Security Testing Guide v4.2

    OWASP Web Security Testing Guide v4.2

    The definitive guide to web application security testing. Covers information gathering, configuration testing, authentication, session management, input validation, and error handling.

    OWASP Foundation

    Format: PDF 465 pages 7.73 MB
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  • #2

    Hacking Techniques in Wired Networks

    Hacking Techniques in Wired Networks

    Academic overview of network hacking techniques covering DNS attacks, TCP/IP exploits, BGP hijacking, worm propagation, and enterprise network vulnerabilities.

    Qijun Gu, Peng Liu, Chao-Hsien Chu

    Format: PDF 22 pages 0.2 MB
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  • #3

    Kali Linux Reference Guide: A Pentester's Voyage

    Kali Linux Reference Guide: A Pentester's Voyage

    Practical reference for Kali Linux penetration testing tools. Covers networking fundamentals, vulnerability analysis, web application testing, password attacks, and wireless exploitation.

    Matthew Sheimo

    Format: PDF 122 pages 1.81 MB
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Digital Forensics and Cybersecurity Books

Digital Forensics and Cybersecurity Books

When breaches happen, forensics finds the evidence. These resources cover investigation techniques and the social impact of hacking culture.

  • #1

    Digital Forensics

    Digital Forensics

    Comprehensive university textbook covering computer forensics fundamentals, evidence collection, analysis techniques, and legal aspects of digital investigations.

    Uttarakhand Open University

    Format: PDF 227 pages 2.27 MB
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  • #2

    Computer hacking as a social problem

    Computer hacking as a social problem

    Examines hacking culture from a sociological perspective, tracing the history of hacker identity and how hacking became framed as a social problem.

    Brian Alleyne

    Format: PDF 36 pages 0.16 MB
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Hacking with Python Books

Hacking with Python Books

Python is the go-to language for security professionals. This book teaches cryptography through Python programming, from Caesar cipher to RSA.

  • #1

    Hacking Secret Ciphers with Python

    Hacking Secret Ciphers with Python

    Teaches cryptography through Python programming, covering Caesar cipher, transposition, affine, Vigenere, and RSA. No prior programming experience required.

    Al Sweigart

    Format: PDF 442 pages 2.84 MB
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That's our collection of free hacking books in PDF. Whether you're preparing for a CEH certification or exploring network security, these resources will help.

Want more? Explore our full list of Computer Science books in PDF.

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